MORE than 100 migrants managed to force their way into the Spanish territory of Ceuta on Wednesday by storming the highly fortified border fence with Morocco, a spokesman for the Spanish government's representative in Ceuta.

Seven Spanish police officers suffered burns after the migrants threw quicklime and battery acid at them as they scrambled over the fence. Five migrants were injured after using wire cutters to get through a weak point in the barrier, the police official added.

Television images showed some of the migrants – mostly young men – with bloodied arms and legs, supposedly caused by the razor wire that sits atop the border fence, celebrating as they made their way into Ceuta’s temporary reception centre.

Some of the 115 people to enter the Spanish enclave waved European Union and Spanish flags as they marched past police. One shouted: “I love Spain.”

This is the second time in a month that migrants jump over the six-metre-high fence into Spain.

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Spain’s socialist leader Pedro Sanchez tweeted: “All my support to those security forces who are facing the migratory challenge in an exemplary way, especially the agents who were injured today.”

The Spanish enclaves of Ceuta and Melilla have the EU’s only land borders with Africa, and have become magnets for sub-Saharan migrants hoping to reach the bloc.

Around 3,800 people have crossed the Moroccan border into one of the two Spanish towns since January, according to the UN refugee agency, the UNHCR.

The route accounted for 14 per cent of the total 27,000 migrant arrivals between January and July – a 130 per cent increase on the previous year.

Around 100-150 refugees stormed the fence between Ceuta and Morocco (Image: GETTY)

Migrants are seeking to reach Europe through Ceuta (Image: GETTY)

Earlier this month, Mr Sanchez and German Chancellor Angela Merkel agreed to increase dialogue with Morocco to better handle migration flows to Spain, which has become the new main point of entry for African asylum seekers.

Berlin also agreed with Madrid that it can send back to Spain migrants who have already applied for asylum there within 48 hours.

European leaders have failed to agree on a sustainable solution on how to share the migrant burden since striking a hard-fought agreement in June that appeared designed to paper over the serious divisions over migration rather than provide a concrete response to the crisis.

Last week, five European countries agreed to take in 141 migrants stranded on board the Mediterranean charity ship Aquarius, a deal that ended a four-day standoff in which Spain, Italy, Tunisia and Malta barred the ship from their ports.